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. 2021 Mar 11;9:e00191. doi: 10.1016/j.ohx.2021.e00191

Table A1.

Current draw of node during operating phases.

Operation Mode Measured Current Draw (mA) Time Period (seconds)
Wake up and measure sensors 40 2
Lora transmit 150 0.75
SD card recording 7 2
Deep sleep <1 300